diff --git a/iis/CMakeLists.txt b/iis/CMakeLists.txt
index b7d7c20e..abd2229a 100644
--- a/iis/CMakeLists.txt
+++ b/iis/CMakeLists.txt
@@ -198,11 +198,11 @@ option(WITH_YAJL "Enable YAJL support" OFF)
 if(WITH_YAJL)
     # Manually find YAJL if config.cmake is not available (e.g., from vcpkg)
     find_path(YAJL_INCLUDE_DIR yajl/yajl_common.h
-        PATHS "${CMAKE_CURRENT_SOURCE_DIR}/build/vcpkg_installed/${ARCHITECTURE}-windows/include"
+        PATHS "${CMAKE_CURRENT_SOURCE_DIR}/build-${ARCHITECTURE}/vcpkg_installed/${ARCHITECTURE}-windows/include"
         NO_DEFAULT_PATH
     )
     find_library(YAJL_LIBRARY NAMES yajl
-        PATHS "${CMAKE_CURRENT_SOURCE_DIR}/build/vcpkg_installed/${ARCHITECTURE}-windows/lib"
+        PATHS "${CMAKE_CURRENT_SOURCE_DIR}/build-${ARCHITECTURE}/vcpkg_installed/${ARCHITECTURE}-windows/lib"
         NO_DEFAULT_PATH
     )